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6 Cards in this Set
- Front
- Back
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Linguistic Development
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Prelinguistic (birth to 12 months)
Transition to first words (around 12 months) Prerepresentational stage (12-18 months) Representational stage (18 months to 4 years) Phonetic Inventory Completion (4-7 years) Advanced Phonology (7-12 |
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Pre-representational Stage
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(12-18 months)
• Single words (First 50 words) • Universal phonetic features (e.g., stops) • Non-systematic relation between child and adult forms (considerable variability within child) • Word-by-word representation |
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Representational Stage
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(18 months to 4 years)
• Begins with two-word stage • Rapid increase in vocabulary (at least triples in size) • Systematic relation between child and adult forms (within child variability decreases) • Phoneme-based representations |
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Inventory Norms
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• “Large-scale studies” provide normative data on correct consonant production
• What should we know about the norms so that we can better compare our data to them |
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Methodological Considerations
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• Sample population
– Disordered or delayed individuals included? – Definition of mastery • Templin (1957) 75% of children produce the sounds correctly • Prather et al (1975) 100% of children produce the sounds correctly • Sander – child masters consonants if 90% correct (a different type of percentage) – Word positions differentiated (initial, medial, final) – How speech was elicited (confrontation naming or spontaneous conversation) |
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Confrontation naming tests
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• Another kind of relational analysis
• Based on a large normative population (including disordered and delayed individuals) • Elicit single-word responses with pictures • Judge accuracy of phonemes in various word position |
